Erin I. Demarco
Family Nurse Practitioner · Niagara Falls, NY
Erin I. Demarco is a family nurse practitioner with a practice address in Niagara Falls, New York, and NPI 1508388588, issued on Jul 12, 2017. Check the license (New York 342015, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Erin I. Demarco
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 342015 NY
Self-reported in NPPES; status is on the state search - Practice location
- 621 Tenth Street, Niagara Falls, NY 14301
- Phone
- (716) 278-4747
- Enumerated
- Jul 12, 2017
- Record last updated
- Dec 1, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20171103002731); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 621 Tenth Street
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jennifer Battaglia, PA, MS, ATCPhysician Assistant1780701284
- John Blundell, MDInternal Medicine Physician1467743831
- Richard Castaldo, M.D.Family Medicine Physician1255443115
- Melanie Shah, FNPFamily Nurse Practitioner1467615591
Verify Erin I. Demarco in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich New York board licenses this profession
Search for license 342015Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
86% fewer Medicare Part D claims than the average family nurse practitioner in 2024
182 Medicare Part D claims for 55 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims.
Most prescribed
- Fluconazole34 claims
- Valacyclovir31 claims
- Nystop14 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $685.18
20 payments; by number, the most common kind was food and beverage; the largest payer was Astellas Pharma US Inc. The 99,489 providers of this specialty with any payment received $650.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- General Physician PCBuffalo, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
38 family nurse practitioner records list a practice address in Niagara Falls
They are 38 of the 1,100 NPPES records with a practice address in Niagara Falls, and 14,805 family nurse practitioner records in New York.
All 38 in Niagara Falls → All 14,805 in New York → Every provider in Niagara Falls →
Other family nurse practitioner records in New York
- Carolyn A'Hearn, NPSyracuse, NY1093435554
- Lindsey Aanonsen, FNPStaten Island, NY1386368926
- Abigail Aaron, FNPNew York, NY1548125594
- Meredith AaronWellsville, NY1699121764
- Memoudou Abalola, NPBronx, NY1154580520
- Jennifer Abate, FNP-BCNew York, NY1568134732
- Karen Abate, PHD, APRN- BC, FNAPNew York, NY1669599585
- Tatiana AbayaBronx, NY1366323958
- Evilina AbayevaFresh Meadows, NY1932929585
- Dalia AbbasRockville Centre, NY1871425363
Common questions
What is Erin I. Demarco's NPI number?
Erin I. Demarco's National Provider Identifier (NPI) is 1508388588, issued on Jul 12, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Erin I. Demarco located?
The NPPES record lists a practice address at 621 Tenth Street, Niagara Falls, NY, 14301. Phone: (716) 278-4747. Providers update this record themselves, so call before visiting.
How can I verify Erin I. Demarco's license?
NPPES lists New York license number 342015, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.
How much does Erin I. Demarco prescribe under Medicare Part D?
In 2024, Erin I. Demarco had 182 Medicare Part D claims for 55 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.